Home / 56,942.49-85,280.79-45,016.12

Finding the Fourth Proportional to 56,942.49, 85,280.79 and 45,016.12

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Solution

The fourth proportional to 56,942.49, 85,280.79 and 45,016.12 is: 67,419.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942.49 : 85,280.79 = 45,016.12 : x
  2. Step 2: Convert to fraction form
    56,942.49/85,280.79 = 45,016.12/x
  3. Step 3: Cross multiply
    56,942.49x = 85,280.79 × 45,016.12
  4. Step 4: Simplify right side
    56,942.49x = 3,839,009,849.93
  5. Step 5: Solve for x
    x = 3,839,009,849.93/56,942.49
  6. Step 6: Final answer
    x = 67,419.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.